html,
body,
#app {
    height: 100%;
    margin: 0;
    padding: 0;
    
}

.el-menu--horizontal {
    /* 导航栏顶部下边小白边解决 */
    border-bottom: 0;
}

.hands{
    cursor: pointer;  /*鼠标悬停变小手*/
  }